Screen



FIG. 1 is a perspective view of a screen, according to the invention.

FIG. 2 is a front view of a screen of FIG. 1.

FIG. 3 is a left view of a screen of FIG. 1.

FIG. 4 is a rear view of a screen of FIG. 1.

FIG. 5 is a front view of a screen of FIG. 1.

FIG. 6 is a top view of a screen of FIG. 1; and,

FIG. 7 is a bottom view of a screen of FIG. 1.

The features shown in broken lines in FIGS. 1-7 depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a screen, as shown and described. 